Quiz about Graphing Parabolas standard form

Question 1

Which of the following equations matches standard form of a quadratic?

Accepted Answer

y = ax² + bx + c

Answer

ax + by = c

Answer

y = a(x - h)² + k

Answer

y = mx + b

Question 2

If we have the equation y=ax²+bx+c, how can we can find the x-coordinate of the vertex?

Accepted Answer

-b/2a

Answer

-a

Answer

-b/a

Answer

b/2a

Question 3

What is the vertex of y=x²+4x+3?

Accepted Answer

(-2,-1)

Answer

(2,1)

Answer

(-2,1)

Answer

(0,0)

Question 4

The axis of symmetry line passes through which point?

Accepted Answer

vertex

Answer

y-intercept

Answer

any random point

Answer

symmetrical point for the vertex

Question 5

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

Accepted Answer

x = -3

Answer

y = -2

Answer

x = 3

Answer

y = 2

Question 6

The graph of a quadratic function is called a

Accepted Answer

Parabola

Answer

Vertex

Answer

Axis of Symmetry

Answer

Vertex Form

Question 7

Use the graph to determine the solutions.

Accepted Answer

1 and 3

Answer

-1 and -3

Answer

1 and -3

Answer

-1 and 3

Question 8

What are the zeros?

Accepted Answer

x= 0 and x= 4

Answer

x= 0 and x= -4

Answer

y= 0

Answer

x= 2

Question 9

What is the green dashed line called?

Accepted Answer

axis of symmetry

Answer

roots or x-intercepts

Answer

parabola

Answer

y intercept

Question 10

Does the equation open up or down?
Y = -3x² +7x - 2

Accepted Answer

down

Answer

up

Answer

Neither; it opens to the right.

Answer

Neither; it opens to the left.

Question 11

What are the x-intercepts of the function?

y=(x-4)(x-2)

Accepted Answer

x=4 and x=2

Answer

x=-4 and x = -2

Answer

x = 4 and x= -2

Answer

x = -4 and x = 2

Question 12

What does the following equation simplify to?
y=x²+8x+15

Accepted Answer

y=(x+3)(x+5)

Answer

y=(x+2)(x+6)

Answer

y=(x-3)(x-5)

Answer

y=(x+1)(x+15)

Question 13

What is the y-intercept of the following equation?
y=x²+8x+15

Accepted Answer

y=15

Answer

y=8

Answer

y=3

Answer

y=5

Question 14

Name the y-intercept.

Accepted Answer

(0,4)

Answer

(-4,4)

Answer

(-2,0)

Answer

(0,0)

Question 15

Does the equation open up or down?
Y = -3x² +7x - 2

Accepted Answer

down

Answer

up

Question 16

Identify the vertex and correct graph

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 17

Identify the vertex and correct graph

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 18

Identify the vertex and correct graph

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Graphing Parabolas standard form

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